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Standard

Aircraft Brake Temperature Monitoring
2021-10-28
CURRENT
ARP6812
This SAE Aerospace Recommended Practice (ARP) provides recommendations for the function, design, construction, and testing of an on-aircraft Brake Temperature Monitoring System (BTMS), sometimes referred to as a Brake Temperature Indication System (BTIS). NOTE: This ARP does not address: Cockpit ergonomics and Aircraft operating procedures. Various handheld methods of temperature sensing or readouts, as these are not associated with transport aircraft during normal operation. Temperature sensitive paints as a means to indicate exceedance of a landing gear axle temperature threshold due to brake temperature.
Standard

Recommended Wheel Tie Bolt Preload Procedure
2020-09-17
CURRENT
ARP5481A
This SAE Aerospace Recommended Practice (ARP) provides the recommended procedure for obtaining desired preloads in aircraft wheel tie bolts when mounting tires and assembling the wheel. It is generally referred to as the snug-angle bolted joint assembly procedure. It is also known as the “torque-turn” procedure in the heavy equipment ground vehicle industry.
Standard

Information on Parking Brake Systems
2020-09-16
CURRENT
AIR6441
This SAE Aerospace Information Report (AIR) provides information on the parking brake system design for a variety of aircraft including part 23, 25, 27, and 29. The document includes a discussion of key technical issues with parking brakes. This document does NOT provide recommended practices for parking brake system design.
Standard

Valve, Inflation, Aircraft Wheel
2019-11-14
CURRENT
AS6817
This SAE Aerospace Standard (AS) defines the configuration of aircraft wheel inflation valve assemblies, including required tolerances, materials, and appropriate finishes.
Standard

Information on Electric Brakes
2019-02-15
CURRENT
AIR5937
This SAE Aerospace Information Report (AIR) describes the design, operation, and attributes of electrical braking systems for both military and commercial aircraft. At this time, the document focuses only on brakes utilizing electromechanical actuators (EMAs), as that is the present state of the art. As such, the discussions herein assume that EMAs can simply replace the hydraulic actuation portion of typical brake system leaving things such as the wheel and heat sink unchanged. Furthermore, the document provides detail information from the perspective of brake system design and operation. The document also addresses failure modes, certification issues, and past development efforts. Details on the design and control of electric motors, gear train design, ball or roller screw selection are available in the reference documents and elsewhere, but are outside the scope of this document.
Standard

Overpressurization Release Devices
2018-06-21
CURRENT
ARP1322C
This SAE Aerospace Recommended Practice (ARP) specifies the minimum design and qualification test recommendations for aircraft wheel overpressurization release devices used with tubeless aircraft tires to protect from possible explosive failure of the contained inflation chamber due to overinflation. Devices of this type provide a means, but not the only means, for showing compliance to Subsection 25.731(d) of Part 25 of Title 14 of the Code of Federal Regulations. Devices of this type will not protect against flash fire explosive conditions within the inflation chamber which may occur due to extremely overheated brakes or spontaneous combustion caused by a foreign substance within the inflation chamber. To help protect against this condition, nitrogen (N2) or other inert gas should be used for inflation.
Standard

Automatic Braking Systems
2016-01-25
CURRENT
ARP1907C
This SAE Aerospace Recommended Practice (ARP) covers the functional, design, construction, and test requirements for Automatic Braking Systems. Installation information and lessons learned are also included.
Standard

Automatic Braking Systems
2014-08-20
HISTORICAL
ARP1907B
This SAE Aerospace Recommended Practice (ARP) covers the functional, design, construction, and test requirements for Automatic Braking Systems. Installation information and lessons learned are also included.
Standard

Skid Control System Vibration Survey
2012-09-05
CURRENT
AIR764D
This technical report documents three surveys to determine realistic vibration requirements for skid control systems specifications and obtain updated vibration information for locations in aircraft where skid control system components are mounted.
Standard

Replacement and Modified Brakes and Wheels
2012-05-16
HISTORICAL
ARP1619A
This SAE Aerospace Recommended Practice (ARP) defines recommended substantiation procedures and associated reviewing and approval processes to confirm that proposed changes do not compromise the demonstrated safety, performance, and airplane compatibility of the originally certified commercial and military aircraft. Successful demonstration also includes confirmation that no adverse failure modes are introduced. These procedures apply to modifications made by the original component or assembly supplier as well as certification of an alternate supplier.
Standard

Wheel and Brake (Sand and Permanent Mold) Castings - Minimum Requirements for Aircraft Applications
2011-01-06
CURRENT
AS586C
This SAE Aerospace Standard (AS) sets forth the minimum quality required for aircraft wheel and brake castings. Its use will establish minimum acceptable requirements for internal structure and surface conditions and is predicated on the use of a casting factor for the ultimate load of more than 1.51 through 2.00. When casting factors of 1.25 through 1.50 are used, visual, penetrant, and radiographic or other approved equivalent nondestructive inspection methods shall all be required on each production casting. Where specific parts, or areas of parts, require a quality level exceeding that described by this document, the requirements shall be established by negotiation between the purchaser and vendor.
Standard

SKID CONTROL SYSTEM VIBRATION SURVEY
2008-06-16
HISTORICAL
AIR764C
This technical report documents three surveys to determine realistic vibration requirements for skid control systems specifications and obtain updated vibration information for locations in aircraft where skid control system components are mounted.
Standard

Skid Control Equipment
2007-12-12
HISTORICAL
AS483B
This standard covers minimum requirements for skid control equipment for use on all types and models of civil aircraft. It shall be the responsibility of the applicant to determine the compatibility of these requirements with the application aircraft and to specify requirements in excess of these minimums as necessary.
Standard

Recommended Wheel Tie Bolt Preload Procedure
2007-08-09
HISTORICAL
ARP5481
This SAE Aerospace Recommended Practice (ARP) provides the recommended procedure for obtaining desired preloads in aircraft wheel tie bolts when mounting tires and assembling the wheel. It is generally referred to as the snug-angle bolted joint assembly procedure. It is also known as the “torque-turn” procedure in the heavy equipment ground vehicle industry.
Standard

Automatic Braking Systems Requirements
2006-10-26
HISTORICAL
ARP1907A
This ARP covers the functional, design, construction, and test requirements for Automatic Braking Systems. Installation information and lessons learned are also included.
Standard

Design and Testing of Antiskid Brake Control Systems for Total Aircraft Compatibility
2006-10-26
HISTORICAL
ARP1070B
This document covers the general requirements for aircraft skid control systems and their components. Methods of defining skid control system performance criteria for design and evaluation purposes are outlined and recommended. Design and operational goals, general theory, and functions, which should be considered by the aircraft brake system engineer to attain the most effective skid control performance, are covered in detail. Recommended methods for measuring performance of a skid control system are included.
Standard

Wheel and Brake (Sand and Permanent Mold) Castings - Minimum Requirements for Aircraft Applications
2005-01-05
HISTORICAL
AS586B
This SAE Aerospace Standard (AS) sets forth the minimum quality required for aircraft wheel and brake castings. Its use will establish minimum acceptable requirements for internal structure and surface conditions and is predicated on the use of a casting factor for the ultimate load of more than 1.51 through 2.00. When casting factors of 1.25 through 1.50 are used, visual, penetrant, and radiographic or other approved equivalent nondestructive inspection methods shall all be required on each production casting. Where specific parts, or areas of parts, require a quality level exceeding that described by this document, the requirements shall be established by negotiation between the purchaser and vendor.
Standard

Wheel and Brake (Sand and Permanent Mold) Castings - Minimum Requirements for Aircraft Applications
2002-07-30
HISTORICAL
AS586A
This SAE Aerospace Standard (AS) sets forth the minimum quality required for aircraft wheel and brake castings. Its use will establish minimum acceptable requirements for internal structure and surface conditions and is predicated on the use of a casting factor for the ultimate load of more than 1.51 through 2.00. When casting factors of 1.25 through 1.50 are used, visual, penetrant, and radiographic or other approved equivalent nondestructive inspection methods shall all be required on each production casting. Where specific parts, or areas of parts, require a quality level exceeding that described by this document, the requirements shall be established by negotiation between the purchaser and vendor.
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